Here is a test. Go to your website’s case study page — if you have one — and ask yourself: after reading it, could a buyer in a different industry understand exactly what problem you solved, how you solved it, and what the measurable outcome was?

If the answer is no, the case study is not doing its job.

The most common failure is vagueness. “We worked with a leading European manufacturer to deliver a customized solution that improved efficiency.” This sentence contains zero useful information. A buyer reads it and learns nothing about your capabilities, your process, or your reliability.

What a case study needs to do

A case study is not a testimonial. It is a proof document. Its job is to demonstrate that your team identified a specific technical challenge, executed a specific engineering intervention, and produced a specific, measurable result.

It needs four things, in this order: a problem described in operational terms, the constraints that made it difficult, the approach your team took, and the outcome expressed in numbers. “The client’s stamped aluminum housings had a 12% reject rate, costing roughly $180,000 per quarter in scrap. We modified the progressive die sequence and adjusted the material feed rate. Within 90 days, reject rate dropped to 1.8%.”

That is a case study. It takes four sentences. Everything else is optional.

When you cannot name the client

NDAs are common in industrial manufacturing. This is not a problem. Use descriptors: “A Fortune 500 automotive tier-1 supplier” or “A pharmaceutical equipment manufacturer supplying the North American market.” What convinces the buyer is not the logo — it is the technical detail. If the engineering narrative is specific and credible, the client name is secondary.